A Bigga Trough's' a'Comin' and a Goin'

Paul Mallinson · Unread post by **Paul Mallinson** » Mon 19/10/2009 22:19

Yes. It seems that the extra lift with the wind onto the higher foothills gave that extra kick.

Paul

MoorfNZ · Unread post by **MoorfNZ** » Mon 19/10/2009 22:27

All quiet now... is that it?

EDIT: Typical - just after I posted that it started hammering down with rain and wind picked up...

Paul Mallinson · Unread post by **Paul Mallinson** » Mon 19/10/2009 22:29

Probably.

Paul

NZ Thunderstorm Soc · Mon 19/10/2009 22:33

I agree.

now off to bed

JohnGaul
NZThS

Andrew Massie · Unread post by **Andrew Massie** » Mon 19/10/2009 22:41

A nice pic of Chch city and the wall cloud coming in tonight..

October 2009 021s.jpg

October 2009 022s.JPG

CHCH Weather Chaser · Mon 19/10/2009 22:47

Went out to Rolleston around 830pm. Saw many flashes towards the SSW. Went driving inland caught a couple of very good flashes, moved north very quickly! Huge sporadic drops and extremely heavy rain for a time. Smashing against the windscreen. CHCH city missed out on the action and rain radar shows the heavy falls inland. May get some beafy showers for another hour.... 48km/S atm with 30km.h average speed.

Michael · Unread post by **Michael** » Mon 19/10/2009 22:47

Thought i saw lightning on it but on scolling the screen the picture moved but the "lightning" didnt so its a mark on the screen

Paul Mallinson · Unread post by **Paul Mallinson** » Mon 19/10/2009 22:54

Michael wrote:Thought i saw lightning on it but on scolling the screen the picture moved but the "lightning" didnt so its a mark on the screen

Perhaps its your squashed fly image!

Paul

mikestormchaser · Unread post by **mikestormchaser** » Mon 19/10/2009 23:00

Yes went out with Leighton for a wee chase, looked quite promising at the start but the thunderstorm was more inland then anticipated, definitely in "thunderstorm corner" John!

So we went out Towards hororata way and i observed 3 CGs.. as i was driving out to rolleston i saw that roll cloud and man it looked huge! stretched right out from inland to the coast.

Thunder · Unread post by **Thunder** » Mon 19/10/2009 23:07

Yes Jase, well done on staying true to your forecast! Good you guy's got to go out, I had made plans and didn't get to. Lucky there was no tornadoes.. haha.

Great photo Andrew! looks mean!

It was interesting it was more inland and not coastal but hey, cool!

I was well wrong last week on Friday! Way too much cloud cover in the end, and I should've known that but was ever hopefull it would clear earlier in the day......the thunderstorm bug is coming back strong after a long hiatus! lol. Good thing though as I got to clean up my comp majorly.

Cheers
Aaron

Storm Struck · Unread post by **Storm Struck** » Mon 19/10/2009 23:33

Yes well

i thought with the fact that it wasnt one of those really W-SW fronts which seem to move offshore or peter out as it gets closer to Canterbury.
It sorta swung in more S-SW by the time it reached us, and despite the barometer being around 1005hpa i thought there might have a reasonable chance there.
The questioning part was whether a NWer was going to get up before the front, but it seemed to stay NE all day and fresh at that.
If it was during the afternoon that it came up, it may have been a different and better story again.
But still there was lightning in the end not overhead but visable, and didnt quite warrant a chase with the infregeuncy of the lightning.
Strong gusty southerly here now with light to moderate rain.

Kimkliff · Unread post by **Kimkliff** » Tue 20/10/2009 06:39

Just to comment on last night. I had just gotten the kids into bed, and popped outside to see the action. A massive bolt/two side by side lit up whole sky. Just as well I was under cover. I didn't have to wait long, not even a Wow! before the noise. Never heard anything like it before. It was not a thunder roll, it was two very loud, very sharp CRACKS! Musta been right underneath it. Then the downpour started. I have never seen all three cats leap off the furniture so fast and all try to get out the cat door together. Of course, one of the kids hit the floor running also, yelling about the noise. Only two more flashes as it passed quickly overheard, and both of those had the typical thunder roll noise. Was going to turn computer back on, but couldn't be bothered. By the way, location is Darfield.

03Stormchaser · Unread post by **03Stormchaser** » Tue 20/10/2009 07:14

Went out far enough to get out of the city lights, only witnessed maybe half a dozen flashes, gust front that went over looked pretty decent, stretched from the coast as far inland as I could make out.

NZstorm · Unread post by **NZstorm** » Tue 20/10/2009 07:20

It was interesting it was more inland and not coastal but hey, cool!

A bit of orographic push up over the foothills.

Skies look cold and unstable here this morning, very El Nino-ish!

Tornado Tim · Unread post by **Tornado Tim** » Tue 20/10/2009 07:43

I was going to say the same thing Steve.
We may see some heat showers today.

DT-NZ · Unread post by **DT-NZ** » Tue 20/10/2009 07:46

Beautiful morning here - blue skies with a layer of blurry looking cirrus (I reckon) and cu out on the horizon towards the NW - currently 11.9 C degree's out - light wind.

spwill · Unread post by **spwill** » Tue 20/10/2009 08:51

http://wwlln.net/WWLLN_movies/Movie_of_ ... an_BIG.gif
Yes, looks like no storm activity developed off shore under the colder air. Lack of storms over OZ, are they having a quiet start to their season.
Good to read those Canterbury Storm reports

Michael · Unread post by **Michael** » Tue 20/10/2009 09:12

Theres big high pressure cells in Oz than the usual belt with multiple lower pressure highs that normally exist at this time of the year,unusal I may say myself the lack of really big SWers here which I dont care to see as it can get quite scary with the trees and buckling windows but its unusual as we used to get really hammered by them.

Storm Struck · Unread post by **Storm Struck** » Tue 20/10/2009 12:04

The rain and strong winds picked up after my post last night, becoming quite steady at times.
But thumbs up to an interesting change last night

, 7.5mm in the rain gauge this morning.
Looks like another unstable day for us on Thursday, nothing major but its there

.

tgsnoopy · Unread post by **tgsnoopy** » Tue 20/10/2009 14:08

Going off in Whakatane I'm told. Gutted, I should be down there today, but equipment failures have kept me up in Tauranga. will be right out east cape tomorrow by the looks of things.

NZ Thunderstorm Soc · Thu 22/10/2009 19:48

This trough is and now safely, gone.
Thanks to the correspondents and correspondence with regards to this trough

JohnGaul
NZThS

NZ Weather Forum

A Bigga Trough's' a'Comin' and a Goin'

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